#define ERR_R4_INV_PRIOR 4100
#define ERR_R4_USED_NAME 4101
#define ERR_R4_LONG_NAME 4102
#define ERR_R4_LONG_FNAME 4103
#define ERR_R4_NO_FILE 4104
#define ERR_R4_INV_FILE 4105
#define ERR_R4_PROG_SIZE 4106
#define ERR_R4_INV_LADD 4107
#define ERR_R4_LOAD_FAIL 4108
#define ERR_R4_NO_PCB 4109
#define ERR_R4_TYPE_SYS 4110

void err_hand(int);